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Finding the Fourth Proportional to 174,863.80, 262,122.90 and 69,542.20

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Solution

The fourth proportional to 174,863.80, 262,122.90 and 69,542.20 is: 104,244.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,863.80 : 262,122.90 = 69,542.20 : x
  2. Step 2: Convert to fraction form
    174,863.80/262,122.90 = 69,542.20/x
  3. Step 3: Cross multiply
    174,863.80x = 262,122.90 × 69,542.20
  4. Step 4: Simplify right side
    174,863.80x = 18,228,603,136.38
  5. Step 5: Solve for x
    x = 18,228,603,136.38/174,863.80
  6. Step 6: Final answer
    x = 104,244.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.